<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
		<title>网络网页</title>
		<style type="text/css">
			.btn {
				display: block;
				margin: 20px auto;
				padding: 5px;
				background-color: #007aff;
				border: 0;
				color: #ffffff;
				height: 40px;
				width: 200px;
			}

			.btn-red {
				background-color: #dd524d;
			}

			.btn-yellow {
				background-color: #f0ad4e;
			}

			.desc {
				padding: 10px;
				color: #999999;
			}

			.post-message-section {
				visibility: hidden;
			}
		</style>
	</head>
	<body>
		<p class="desc">web-view 组件加载网络 html 示例。点击下列按钮，跳转至其它页面。</p>
		<div class="btn-list">
			<button class="btn" type="button" data-action="navigateTo">navigateTo</button>
			<button class="btn" type="button" data-action="redirectTo">redirectTo</button>
			<button class="btn" type="button" data-action="navigateBack">navigateBack</button>
			<button class="btn" type="button" data-action="reLaunch">reLaunch</button>
			<button class="btn" type="button" data-action="switchTab">switchTab</button>
		</div>
		<div class="post-message-section">
			<p class="desc">网页向应用发送消息，应用会在此页面后退时接收到消息。</p>
			<div class="btn-list">
				<button class="btn btn-red" type="button" id="postMessage">postMessage</button>
			</div>
		</div>
		<script type="text/javascript">
			var userAgent = navigator.userAgent;
			if (userAgent.indexOf('AlipayClient') > -1) {
				// 支付宝小程序的 JS-SDK 防止 404 需要动态加载，如果不需要兼容支付宝小程序，则无需引用此 JS 文件。
				document.writeln('<script src="https://appx/web-view.min.js"' + '>' + '<' + '/' + 'script>');
			} else if (/QQ/i.test(userAgent) && /miniProgram/i.test(userAgent)) {
				// QQ 小程序
				document.write('<script type="text/javascript" src="https://qqq.gtimg.cn/miniprogram/webview_jssdk/qqjssdk-1.0.0.js"><\/script>');
			} else if (/miniProgram/i.test(userAgent) && /micromessenger/i.test(userAgent)) {
				// 微信小程序 JS-SDK 如果不需要兼容微信小程序，则无需引用此 JS 文件。
				document.write('<script type="text/javascript" src="https://res.wx.qq.com/open/js/jweixin-1.4.0.js"><\/script>');
			} else if (/toutiaomicroapp/i.test(userAgent)) {
				// 头条小程序 JS-SDK 如果不需要兼容头条小程序，则无需引用此 JS 文件。
				document.write('<script type="text/javascript" src="https://s3.pstatp.com/toutiao/tmajssdk/jssdk-1.0.1.js"><\/script>');
			} else if (/swan/i.test(userAgent)) {
				// 百度小程序 JS-SDK 如果不需要兼容百度小程序，则无需引用此 JS 文件。
				document.write('<script type="text/javascript" src="https://b.bdstatic.com/searchbox/icms/searchbox/js/swan-2.0.18.js"><\/script>');
			} else if (/quickapp/i.test(userAgent)) {
				// quickapp
				document.write('<script type="text/javascript" src="https://quickapp/jssdk.webview.min.js"><\/script>');
			}
			if (!/toutiaomicroapp/i.test(userAgent)) {
				document.querySelector('.post-message-section').style.visibility = 'visible';
			}
		</script>
		<!-- uni 的 SDK -->
		<script type="text/javascript" src="https://unpkg.com/@dcloudio/uni-webview-js@0.0.1/index.js"></script>
		<script type="text/javascript">
			document.addEventListener('UniAppJSBridgeReady', function() {
				document.querySelector('.btn-list').addEventListener('click', function(evt) {
					var target = evt.target;
					if (target.tagName === 'BUTTON') {
						var action = target.getAttribute('data-action');
						switch (action) {
							case 'switchTab':
								uni.switchTab({
									url: '/pages/tabBar/center/center'
								});
								break;
							case 'reLaunch':
								uni.reLaunch({
									url: '/pages/tabBar/case/case'
								});
								break;
							case 'navigateBack':
								uni.navigateBack({
									delta: 1
								});
								break;
							default:
								uni[action]({
									url: '/pages/component/button/button'
								});
								break;
						}
					}
				});
				document.getElementById('postMessage').addEventListener('click', function() {
					uni.postMessage({
						data: {
							action: 'message'
						}
					});
				});
			});
		</script>
	</body>
</html>
